#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 
import math

def move(x,y,step,angle=0):
	nx = x + step * math.cos(angle)
	ny = y - step * math.sin(angle)
	return nx,ny

def donothing():
	pass

x,y = move(1,2,1,10)
print(x)
print(y)